Here is the code. I'm getting the above mentioned error.

import "AATableViewController.h"

import "BlogPost.h"

@interface AATableViewController ()

@end

@implementation AATableViewController

• (id)initWithStyle:(UITableViewStyle)style { self = [super initWithStyle:style]; if (self) { // Custom initialization } return self; }

• (void)viewDidLoad { [super viewDidLoad];

  self.tableView.contentInset = UIEdgeInsetsMake(20.0f, 0.0f, 0.0f, 0.0f);

  NSURL *blogURL = [NSURL URLWithString:@"http://blog.teamtreehouse.com/api/get_recent_summary"];

  NSData *jsonData = [NSData dataWithContentsOfURL:blogURL];

  NSError *error = nil;

  NSDictionary *dataDictionary = [NSJSONSerialization JSONObjectWithData:jsonData options:0 error:&error]; NSLog(@"%@", dataDictionary);

  self.blogPosts = [NSMutableArray array];

  NSArray *blogPostArray = [dataDictionary objectForKey:@"posts"];

  for (NSDictionary *bpDictionary in blogPostArray) { BlogPost *blogPost = [BlogPost blogPostWithTitle:[bpDictionary objectForKey:@"title"]]; blogPost *author = [bpDictionary objectForKey:@"author"]; [self.blogPosts addObject:blogPost]; }

}

• (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. }

pragma mark - Table view data source

• (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

  // Return the number of sections. return 1; }

• (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

  // Return the number of rows in the section. return [self.blogPosts count]; }

• (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];

  BlogPost *blogPost = [self.blogPosts objectAtIndex:indexPath.row];

  cell.textLabel.text = blogPost.title; cell.detailTextLabel.text = blogPost.author; return cell; }